[INFO] cloning repository https://github.com/aricasas/constraint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aricasas/constraint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricasas%2Fconstraint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricasas%2Fconstraint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d494bf44b0aab410777befed891ac118156d608b
[INFO] testing aricasas/constraint against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faricasas%2Fconstraint" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aricasas/constraint
[INFO] finished tweaking git repo https://github.com/aricasas/constraint
[INFO] tweaked toml for git repo https://github.com/aricasas/constraint written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aricasas/constraint on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aricasas/constraint already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded allocator-api2 v0.2.18
[INFO] [stderr]   Downloaded syn v2.0.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9d62bfcdeb949a5ad38c1e0dbc32c2fde6f537b7d15ec96e1ad2f9cb9d1789
[INFO] running `Command { std: "docker" "start" "-a" "4b9d62bfcdeb949a5ad38c1e0dbc32c2fde6f537b7d15ec96e1ad2f9cb9d1789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9d62bfcdeb949a5ad38c1e0dbc32c2fde6f537b7d15ec96e1ad2f9cb9d1789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9d62bfcdeb949a5ad38c1e0dbc32c2fde6f537b7d15ec96e1ad2f9cb9d1789", kill_on_drop: false }`
[INFO] [stdout] 4b9d62bfcdeb949a5ad38c1e0dbc32c2fde6f537b7d15ec96e1ad2f9cb9d1789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f8ec00242459700fbee4174f5f987d4666fb98efdf615c706150618cb357c90
[INFO] running `Command { std: "docker" "start" "-a" "3f8ec00242459700fbee4174f5f987d4666fb98efdf615c706150618cb357c90", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling constraint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `check_distinct` is never used
[INFO] [stdout]   --> src/sudoku.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn check_distinct(array: &[i32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use constraint::sudoku::{self, Sudoku};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "3f8ec00242459700fbee4174f5f987d4666fb98efdf615c706150618cb357c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8ec00242459700fbee4174f5f987d4666fb98efdf615c706150618cb357c90", kill_on_drop: false }`
[INFO] [stdout] 3f8ec00242459700fbee4174f5f987d4666fb98efdf615c706150618cb357c90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0dc38a734592c35a02a7fa341168074d0c75c1d2bd99f929862ae00dec678fa
[INFO] running `Command { std: "docker" "start" "-a" "b0dc38a734592c35a02a7fa341168074d0c75c1d2bd99f929862ae00dec678fa", kill_on_drop: false }`
[INFO] [stdout] warning: function `check_distinct` is never used
[INFO] [stdout]   --> src/sudoku.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn check_distinct(array: &[i32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling constraint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use constraint::sudoku::{self, Sudoku};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_distinct` is never used
[INFO] [stdout]   --> src/sudoku.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn check_distinct(array: &[i32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "b0dc38a734592c35a02a7fa341168074d0c75c1d2bd99f929862ae00dec678fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0dc38a734592c35a02a7fa341168074d0c75c1d2bd99f929862ae00dec678fa", kill_on_drop: false }`
[INFO] [stdout] b0dc38a734592c35a02a7fa341168074d0c75c1d2bd99f929862ae00dec678fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b9361564c44e1f2eaddc1c847b7daf3bf219118891a439ea7e4f56186d24706
[INFO] running `Command { std: "docker" "start" "-a" "6b9361564c44e1f2eaddc1c847b7daf3bf219118891a439ea7e4f56186d24706", kill_on_drop: false }`
[INFO] [stderr] warning: function `check_distinct` is never used
[INFO] [stderr]   --> src/sudoku.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn check_distinct(array: &[i32]) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `constraint` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/main.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use constraint::sudoku::{self, Sudoku};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `constraint` (bin "constraint" test) generated 1 warning (run `cargo fix --bin "constraint" -p constraint --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `constraint` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/constraint-1e7b05734ffcc4f2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sudoku::tests::test_empty has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6b9361564c44e1f2eaddc1c847b7daf3bf219118891a439ea7e4f56186d24706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9361564c44e1f2eaddc1c847b7daf3bf219118891a439ea7e4f56186d24706", kill_on_drop: false }`
[INFO] [stdout] 6b9361564c44e1f2eaddc1c847b7daf3bf219118891a439ea7e4f56186d24706
